WO2014020982A1 - Dispositif de commande pour moteur à combustion interne - Google Patents

Dispositif de commande pour moteur à combustion interne Download PDF

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Publication number
WO2014020982A1
WO2014020982A1 PCT/JP2013/065234 JP2013065234W WO2014020982A1 WO 2014020982 A1 WO2014020982 A1 WO 2014020982A1 JP 2013065234 W JP2013065234 W JP 2013065234W WO 2014020982 A1 WO2014020982 A1 WO 2014020982A1
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WO
WIPO (PCT)
Prior art keywords
egr
control valve
passage
internal combustion
combustion engine
Prior art date
Application number
PCT/JP2013/065234
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English (en)
Japanese (ja)
Inventor
大介 高木
Original Assignee
日産自動車株式会社
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Filing date
Publication date
Application filed by 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to EP13825435.4A priority Critical patent/EP2881570B1/fr
Priority to JP2014528032A priority patent/JP5673896B2/ja
Priority to US14/417,571 priority patent/US10174719B2/en
Priority to CN201380039388.XA priority patent/CN104487692B/zh
Publication of WO2014020982A1 publication Critical patent/WO2014020982A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • F02D41/126—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off transitional corrections at the end of the cut-off period
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
    • F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the present invention relates to a control device for an internal combustion engine that recirculates a part of exhaust gas upstream of a supercharger.
  • EGR having an EGR passage connected to the exhaust passage and the intake passage, and an EGR control valve interposed in the EGR passage, and introducing a part of the exhaust gas into the intake system according to the operating state is performed.
  • Patent Document 1 includes an intake control valve that is disposed in each of the intake pipes of the respective cylinders located on the downstream side of the throttle valve and rotates with the shaft to change the opening area of the intake pipe.
  • a configuration is disclosed in which an EGR gas injection hole formed in an intake pipe of each of the cylinders connected to an EGR passage branched from the above can be closed by the intake control valve or the shaft.
  • the present invention is arranged in the supercharger located upstream of the throttle valve, the EGR passage for introducing a part of exhaust gas into the intake passage as EGR gas from the upstream side of the supercharger, and the EGR passage. And an EGR control valve, and when the operating state is in a non-EGR region other than the EGR region, the opening degree of the EGR control valve is set to a predetermined minute opening degree.
  • the EGR control valve is opened so that the operating state changes from the non-EGR region to the EGR region and reaches the target EGR rate.
  • a desired amount of EGR gas is introduced into the intake passage almost simultaneously with the opening of the EGR control valve, so that the actual EGR rate can follow the target EGR rate with good responsiveness.
  • FIG. 1 is a system diagram showing the overall configuration of a control device for an internal combustion engine according to the present invention.
  • Explanatory drawing which showed typically the correlation of an EGR area
  • the timing chart which showed an example of control of an EGR control valve.
  • FIG. 1 is a system diagram showing an overall configuration of an internal combustion engine 1 to which the present invention is applied.
  • the internal combustion engine 1 is mounted on a vehicle such as an automobile as a drive source, and an intake passage 2 and an exhaust passage 3 are connected to a cylinder 1 a of the internal combustion engine 1.
  • a throttle valve 5 is provided in the intake passage 2 connected to the internal combustion engine 1 via the intake manifold 4, and an air flow meter 6 and an air cleaner 7 for detecting the intake air amount are provided upstream thereof.
  • An exhaust catalyst 9 such as a three-way catalyst is provided for exhaust purification in the exhaust passage 3 connected to the internal combustion engine 1 via the exhaust manifold 8.
  • the internal combustion engine 1 has a turbocharger 10 that is coaxially provided with a compressor 11 disposed in the intake passage 2 and a turbine 12 disposed in the exhaust passage 3.
  • the compressor 11 is located upstream of the throttle valve 5 and is located downstream of the air flow meter 6.
  • the turbine 12 is located on the upstream side of the exhaust catalyst 9.
  • 13 in FIG. 1 is an intercooler provided on the downstream side of the throttle valve 5.
  • a recirculation passage 14 that bypasses the compressor 11 and connects the upstream side and the downstream side of the compressor 11 is connected to the intake passage 2.
  • a recirculation valve 15 that controls the intake flow rate in the recirculation passage 14 is interposed in the recirculation passage 14.
  • the exhaust passage 3 is connected to an exhaust bypass passage 16 that bypasses the turbine 12 and connects the upstream side and the downstream side of the turbine 12.
  • a waste gate valve 17 that controls the exhaust flow rate in the exhaust bypass passage 16 is interposed.
  • the internal combustion engine 1 can perform exhaust gas recirculation (EGR), and an EGR passage 20 is provided between the exhaust passage 3 and the intake passage 2.
  • EGR exhaust gas recirculation
  • One end of the EGR passage 20 is connected to the exhaust passage 3 at a position downstream of the exhaust catalyst 9, and the other end is connected to the intake passage 2 at a position downstream of the air cleaner 7 and upstream of the compressor 11.
  • an electrically controlled EGR control valve 21 and an EGR cooler 22 are interposed in the EGR passage 20.
  • the opening degree of the EGR control valve 21 is controlled by the control unit 25 so that a predetermined EGR rate corresponding to the operating condition is obtained.
  • the control unit 25 includes a crank angle sensor 26 that detects a crank angle of a crankshaft (not shown), and an accelerator opening that detects a depression amount of an accelerator pedal (not shown). Detection signals of sensors such as the sensor 27, an intake air temperature sensor 28 for detecting the intake air temperature, and a coolant temperature sensor 29 for detecting the coolant temperature of the internal combustion engine 1 are input.
  • the control unit 25 controls the ignition timing and air-fuel ratio of the internal combustion engine 1 and controls the opening degree of the EGR control valve 21 to control the opening of the intake passage 2 from the exhaust passage 3.
  • Exhaust gas recirculation control EGR control
  • the opening degree of the throttle valve 5, the recirculation valve 15, and the waste gate valve 17 is also controlled by the control unit 25.
  • the recirculation valve 15 is not controlled to be opened and closed by the control unit 25, and a so-called check valve that opens only when the pressure on the downstream side of the compressor 11 exceeds a predetermined pressure can be used. is there.
  • a proportional relationship is established between the intake air amount and the square root of the pressure difference between the exhaust pressure Pe and the intake pressure Pi.
  • a proportional relationship is also established between the square root of the pressure difference between the exhaust pressure Pe and the intake pressure Pi and the EGR amount (exhaust gas recirculation amount). Accordingly, a proportional relationship (constant EGR rate) is also established between the intake air amount and the EGR amount.
  • the opening degree of the EGR control valve 21 is basically controlled so as to achieve the target EGR rate in the EGR region, and is closed in the non-EGR region.
  • the EGR region is, for example, when the internal combustion engine 1 is in a medium and high load state
  • the non-EGR region is, for example, when the internal combustion engine 1 is in a low load state.
  • the opening degree of the EGR control valve 21 is controlled so as to achieve the target EGR rate.
  • the target EGR rate is calculated from, for example, the load of the internal combustion engine 1 and the engine speed.
  • the load of the internal combustion engine 1 is calculated based on the detected value of the accelerator opening sensor 27, and the engine speed is calculated based on the detected value of the crank angle sensor 26.
  • FIG. 3 is an explanatory view schematically showing the distribution state of the EGR gas in the EGR passage 21, and FIG. 3 (a) shows a state in which the EGR control valve 21 is closed (fully closed). (B) shows immediately after the EGR control valve 21 is opened from the closed (fully closed) state.
  • the direction of the arrow in the intake passage 2 indicates the flow direction of the intake air
  • the direction of the arrow in the exhaust passage 3 indicates the flow direction of the exhaust gas.
  • the portion A of the EGR passage 20 closer to the exhaust passage 3 than the EGR control valve 21 is filled with EGR gas (exhaust).
  • the portion B closer to the intake passage 2 than the EGR control valve 21 is filled with fresh air. Therefore, immediately after the EGR control valve 21 is opened, fresh air in the portion B is pushed out into the intake passage 2 by the EGR gas, so that the intake passage is filled until the portion B is filled with EGR gas. 2, since the EGR amount corresponding to the opening degree of the EGR control valve 21 is not introduced, the actual EGR rate deviates from the target EGR rate.
  • a predetermined minute opening degree M corresponding to a minute EGR rate (for example, an EGR rate of 1% or less) that does not affect the ignition timing.
  • the EGR control valve 21 is opened. That is, in the non-EGR region, the EGR control valve 21 is opened at a predetermined minute opening M so that an amount of EGR gas that does not affect combustion flows.
  • the EGR passage 20 is always filled with EGR gas. Therefore, an amount of EGR gas corresponding to the opening degree of the EGR control valve 21 is introduced into the intake passage 2 immediately after the operation state changes from the non-EGR region to the EGR region which is the medium-high load operation region.
  • the actual EGR rate can follow the target EGR rate with good responsiveness.
  • the EGR control valve 21 is opened at a predetermined minute opening M. Instead of closing, close the valve (fully close).
  • closing the EGR control valve 21 can prevent fresh air from flowing back through the EGR passage 20.
  • the moisture in the EGR gas may condense, and the valve such as the throttle valve 5 is fixed due to the solidification of the moisture in the liquefied EGR gas, or the moisture in the liquefied EGR gas.
  • the EGR gas melts and becomes acidic and the intake system parts downstream of the EGR control valve 21 such as the throttle valve 5 and the compressor 11 of the turbocharger 10 are corroded. Therefore, even if the operating state is in the non-EGR region, if the intake air temperature or the cooling water temperature is low, the EGR control valve 21 is closed to cause a valve that may be caused by condensation of water in the EGR gas. Avoid sticking and corrosion of intake system parts.
  • the EGR control valve 21 is kept closed until the exhaust passage 3 from the cylinder 1a to the connection portion between the EGR passage 20 and the exhaust passage 3 is filled with the exhaust gas. To do. That is, until the predetermined time has elapsed after the fuel cut control is completed, the EGR control valve 21 maintains the closed state, thereby preventing fresh air from flowing back through the EGR passage 20.
  • the predetermined time includes, for example, the volume in the exhaust passage 3 from the cylinder 1a to the connection portion between the EGR passage 20 and the exhaust passage 3, and the operating state of the internal combustion engine 1 (engine speed and Calculated based on (intake air amount).
  • an operation state in which the exhaust gas flow rate is minimized is assumed as the operation state of the internal combustion engine 1 after the end of the fuel cut control, and the volume is filled with the exhaust gas at the minimum exhaust gas flow rate.
  • Time (the longest possible time) may be calculated in advance, and the predetermined time may be a fixed value.
  • the fuel cut control is established, for example, when the accelerator opening is equal to or less than a predetermined opening, the engine speed is equal to or higher than a predetermined speed, and the vehicle speed is equal to or higher than a predetermined speed.
  • the exhaust passage 3 is filled with exhaust gas up to the connection portion between the EGR passage 20 and the exhaust passage 3, and the EGE passage 20 is filled with EGR gas even if the operating state is in the EGR region. If the opening degree of the EGR control valve 21 is controlled so as to become the target EGR rate before the air is discharged, the fresh air in the EGR passage 20 is introduced into the intake passage 2, so that the actual EGR rate is the target EGR rate. Deviate from
  • the opening degree of the EGR control valve 21 is set to the predetermined minute opening degree even if the operation state is in the EGR region.
  • the timing at which the EGR passage 20 is filled with EGR gas after the fuel cut control is finished is that the exhaust passage 3 from the cylinder 1a to the connection portion between the EGR passage 20 and the exhaust passage 3 after the fuel cut control is finished is exhaust gas. This is the timing at which a predetermined time until the EGR passage is filled and the EGR passage filling time until the inside of the EGR passage 20 is filled with EGR gas (exhaust gas) after the passage of the predetermined time.
  • the EGR passage filling time includes, for example, the volume in the EGR passage 20, the operating state (engine speed and intake air amount) of the internal combustion engine 1 after the EGR control valve 21 is opened at the minute opening M, Is calculated by More simply, the longest filling time is calculated in advance from the minimum EGR amount and the volume in the EGR passage 20 when the EGR control valve 21 is set to the minute opening M, and the EGR passage filling time is set to a fixed value. It is also good.
  • the EGR control valve 21 if there is no intake air amount above a certain amount, the EGR control valve The front-rear differential pressure of 21 becomes relatively small due to the pressure loss of the EGR passage 20, and the EGR gas does not recirculate even if the EGR control valve 21 is opened. Therefore, even if the operating state is in the non-EGR region, if the intake air amount is equal to or less than a predetermined amount set in advance, for example, in the low rotation and low load operation region such as idle operation, the EGR control valve 21 is set. The power consumption when the EGR control valve 21 is opened by closing the valve is saved.
  • FIG. 4 is a timing chart showing an example of control of the EGR control valve 21 in the present embodiment.
  • the opening degree of the EGR control valve 21 increases from a predetermined minute opening degree M to an opening degree corresponding to the target EGR rate. Expanding.
  • the EGR control valve 21 is closed to a predetermined minute opening degree M.
  • the fuel cut control is started at time t3
  • the EGR control valve 21 is controlled to be closed.
  • the fuel cut control ends at time t4 (fuel cut recover), but the EGR control valve 21 continues until time t5 when the exhaust passage 3 is filled with exhaust gas up to the connection portion between the EGR passage 20 and the exhaust passage 3.
  • the valve closing state is maintained, and the valve is opened at a predetermined minute opening M from time t5.
  • the load on the internal combustion engine 1 increases and the operating state changes from the non-EGR region to the EGR region, but until the time t7 when all the EGR passage 20 is filled with exhaust gas, the EGR control valve 21 Is maintained at a predetermined minute opening M.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Supercharger (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

L'invention porte sur, dans une région hors EGR, qui est une région de fonctionnement à faible charge, une vanne de commande EGR (21) qui est ouverte avec un degré d'ouverture M extrêmement petit, spécifique, qui correspond à un taux d'EGR extrêmement petit qui n'affecte pas la séquence d'allumage. De cette façon, l'intérieur du passage d'EGR (20) est essentiellement rempli de gaz EGR de telle sorte que, lorsque la vanne de commande d'EGR (21) est ouverte et l'état de fonctionnement passe de la région hors EGR à la région EGR, de façon à obtenir le taux d'EGR cible, la quantité désirée de gaz EGR est introduite dans un passage d'admission (2) pratiquement au moment de l'ouverture de la vanne de commande EGR (21), et le taux d'EGR réel peut être rendu conforme au taux d'EGR cible avec une bonne réactivité.
PCT/JP2013/065234 2012-08-01 2013-05-31 Dispositif de commande pour moteur à combustion interne WO2014020982A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13825435.4A EP2881570B1 (fr) 2012-08-01 2013-05-31 Dispositif de commande pour moteur à combustion interne
JP2014528032A JP5673896B2 (ja) 2012-08-01 2013-05-31 内燃機関の制御装置
US14/417,571 US10174719B2 (en) 2012-08-01 2013-05-31 Control device for internal combustion engine
CN201380039388.XA CN104487692B (zh) 2012-08-01 2013-05-31 内燃机的控制装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-171296 2012-08-01
JP2012171296 2012-08-01

Publications (1)

Publication Number Publication Date
WO2014020982A1 true WO2014020982A1 (fr) 2014-02-06

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PCT/JP2013/065234 WO2014020982A1 (fr) 2012-08-01 2013-05-31 Dispositif de commande pour moteur à combustion interne

Country Status (5)

Country Link
US (1) US10174719B2 (fr)
EP (1) EP2881570B1 (fr)
JP (1) JP5673896B2 (fr)
CN (1) CN104487692B (fr)
WO (1) WO2014020982A1 (fr)

Cited By (8)

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JP2015169099A (ja) * 2014-03-05 2015-09-28 日産自動車株式会社 排気還流装置
JP2015172359A (ja) * 2014-03-12 2015-10-01 株式会社デンソー 高圧ポンプ制御装置
WO2015186609A1 (fr) * 2014-06-06 2015-12-10 ヤンマー株式会社 Dispositif de moteur
JP2015229998A (ja) * 2014-06-06 2015-12-21 ヤンマー株式会社 エンジン装置
JP2016113915A (ja) * 2014-12-11 2016-06-23 ヤンマー株式会社 エンジン装置
KR20180044353A (ko) * 2015-09-18 2018-05-02 닛산 지도우샤 가부시키가이샤 내연 기관의 제어 장치 및 내연 기관의 제어 방법
KR20180053356A (ko) * 2015-09-18 2018-05-21 닛산 지도우샤 가부시키가이샤 내연 기관의 제어 장치 및 내연 기관의 제어 방법
WO2021199411A1 (fr) * 2020-04-02 2021-10-07 日産自動車株式会社 Procédé d'estimation egr pour un moteur à combustion interne et dispositif d'estimation egr pour un moteur à combustion interne

Families Citing this family (7)

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ITUB20152463A1 (it) * 2015-07-24 2017-01-24 Magneti Marelli Spa Metodo di controllo di un circuito egr di ricircolo dei gas di scarico di bassa pressione di un motore a combustione interna sovralimentato
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CN104487692A (zh) 2015-04-01
EP2881570A4 (fr) 2015-08-12
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JPWO2014020982A1 (ja) 2016-07-21

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